<s>
Mouse	B-Operating_System
Practice	I-Operating_System
was	O
a	O
game-based	O
computer	O
tutorial	O
aimed	O
at	O
teaching	O
new	O
users	O
how	O
to	O
operate	O
a	O
computer	B-Device
mouse	I-Device
at	O
a	O
time	O
when	O
many	O
were	O
unfamiliar	O
with	O
this	O
feature	O
of	O
a	O
computer	O
.	O
</s>
<s>
Mouse	B-Operating_System
Practice	I-Operating_System
was	O
created	O
using	O
MacroMind	B-Operating_System
Director	I-Operating_System
and	O
released	O
in	O
1992	O
by	O
Apple	O
for	O
the	O
Macintosh	B-Device
computer	I-Device
platform	O
.	O
</s>
<s>
It	O
involved	O
the	O
user	O
learning	O
the	O
key	O
functions	O
of	O
the	O
mouse	B-Device
by	O
controlling	O
a	O
scuba	O
diver	O
in	O
an	O
underwater	O
environment	O
.	O
</s>
<s>
Another	O
program	O
,	O
Mouse	B-Device
Basics	O
,	O
served	O
a	O
similar	O
purpose	O
on	O
earlier	O
Macintosh	B-Device
computers	I-Device
,	O
but	O
did	O
not	O
have	O
the	O
game-based	O
approach	O
of	O
Mouse	B-Operating_System
Practice	I-Operating_System
.	O
</s>
<s>
To	O
get	O
started	O
,	O
the	O
user	O
had	O
to	O
move	O
the	O
mouse	B-Device
so	O
that	O
the	O
pointer	B-Application
was	O
on	O
the	O
scuba	O
diver	O
—	O
this	O
required	O
the	O
skill	O
of	O
using	O
the	O
mouse	B-Device
to	O
control	O
the	O
position	O
of	O
the	O
pointer	B-Application
.	O
</s>
<s>
The	O
next	O
activity	O
was	O
to	O
use	O
a	O
flashlight	O
to	O
look	O
around	O
while	O
in	O
the	O
deep	O
sea	O
,	O
requiring	O
the	O
use	O
to	O
move	O
the	O
mouse	B-Device
to	O
control	O
the	O
flashlight	O
in	O
order	O
to	O
show	O
a	O
number	O
of	O
deep	O
sea	O
animals	O
,	O
such	O
as	O
jellyfish	O
,	O
gulper	O
eels	O
and	O
squids	B-Protocol
This	O
again	O
worked	O
on	O
the	O
basic	O
skill	O
of	O
controlling	O
the	O
pointer	B-Application
by	O
the	O
use	O
of	O
moving	O
the	O
mouse	B-Device
.	O
</s>
<s>
Once	O
all	O
of	O
the	O
animals	O
have	O
been	O
illuminated	O
,	O
an	O
animation	O
showed	O
the	O
scuba	O
diver	O
traveling	O
along	O
holding	O
onto	O
an	O
ascending	O
whale	B-Application
's	I-Application
fin	O
.	O
</s>
<s>
In	O
the	O
next	O
activity	O
,	O
set	O
on	O
a	O
coral	O
reef	O
,	O
the	O
user	O
was	O
required	O
to	O
move	O
the	O
pointer	B-Application
to	O
the	O
puffer	O
fish	O
,	O
and	O
then	O
click	O
the	O
mouse	B-Device
button	O
on	O
the	O
fish	O
.	O
</s>
<s>
The	O
user	O
then	O
had	O
to	O
click	O
in	O
crevices	O
of	O
the	O
reef	O
revealing	O
other	O
sea	O
animals	O
which	O
were	O
a	O
lobster	B-Protocol
,	O
an	O
octopus	B-Application
,	O
a	O
stingray	O
,	O
a	O
gray	O
reef	O
eel	O
and	O
a	O
seahorse	B-Application
.	O
</s>
<s>
Once	O
all	O
the	O
treasure	O
was	O
collected	O
,	O
a	O
hook	O
appeared	O
and	O
the	O
user	O
had	O
to	O
drag	O
the	O
hook	O
to	O
the	O
chest	O
,	O
and	O
then	O
release	O
the	O
mouse	B-Device
button	O
to	O
let	O
it	O
be	O
lifted	O
to	O
the	O
motorboat	O
.	O
</s>
<s>
Clicking	O
the	O
treasure	O
chest	O
was	O
the	O
only	O
way	O
out	O
of	O
the	O
program	O
;	O
unlike	O
other	O
computer	O
programs	O
,	O
Mouse	B-Operating_System
Practice	I-Operating_System
could	O
not	O
be	O
exited	O
until	O
the	O
mission	O
was	O
accomplished	O
.	O
</s>
<s>
Mouse	B-Operating_System
Practice	I-Operating_System
was	O
released	O
with	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
from	O
System	B-Protocol
6	I-Protocol
to	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
,	O
designed	O
to	O
operate	O
on	O
the	O
Motorola	B-Device
68k	I-Device
architecture	B-General_Concept
.	O
</s>
<s>
The	O
software	O
can	O
also	O
run	O
on	O
some	O
other	O
systems	O
by	O
way	O
of	O
an	O
emulator	B-Application
.	O
</s>
<s>
Mouse	B-Operating_System
Practice	I-Operating_System
was	O
a	O
default	O
inclusion	O
in	O
the	O
simplified	O
At	B-Operating_System
Ease	I-Operating_System
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
.	O
</s>
